/js-assert-type

Common JavaScript type assertions.

Primary LanguageJavaScriptMIT LicenseMIT

JavaScript Assert Type

A simple JavaScript type assertion or type testing module.

Usage

import * as assertType from "https://raw.githubusercontent.com/grantcarthew/js-assert-type/v1.0.0/index.js"

assertType.isDate(new Date()) // true
assertType.isDate([]) // false

console.log

Functions

Following is the list of available assert functions:

  • isUndefined
  • isNull
  • isObject
  • isObjectOrArray
  • isFunction
  • isAsyncFunction
  • isGeneratorFunction
  • isGenerator
  • isString
  • isNan
  • isNumber
  • isInteger
  • isBigInt
  • isInfinity
  • isBoolean
  • isTrue
  • isFalse
  • isDate
  • isDateObject
  • isDateString
  • isUuid
  • isArray
  • isInt8Array
  • isUint8Array
  • isUint8ClampedArray
  • isInt16Array
  • isUint16Array
  • isInt32Array
  • isUint32Array
  • isFloat32Array
  • isFloat64Array
  • isBigInt64Array
  • isBigUint64Array
  • isArrayBuffer
  • isSharedArrayBuffer
  • isError
  • isRegExp
  • isSymbol
  • isMap
  • isWeakMap
  • isSet
  • isWeakSet
  • isDataView
  • isPromise

Testing

Install Deno and then type the following command from inside the code directory:

deno test